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microVU: 

- Normal Clamp Mode clamps a few more stuff (Fixes Ice Age 3 falling through floor bug)

git-svn-id: http://pcsx2.googlecode.com/svn/trunk@1599 96395faa-99c1-11dd-bbfe-3dabce05a288
This commit is contained in:
cottonvibes 2009-08-03 00:43:14 +00:00
parent 570e4ce85e
commit a2c4aad28e
3 changed files with 20 additions and 5 deletions
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16
pcsx2/x86/microVU_Compile.inl
View File

@ -46,7 +46,6 @@
#define incQ() { mVU->q = (mVU->q+1) & 1; }
#define doUpperOp() { mVUopU(mVU, 1); mVUdivSet(mVU); }
#define doLowerOp() { incPC(-1); mVUopL(mVU, 1); incPC(1); }
#define doIbit() { if (mVUup.iBit) { incPC(-1); MOV32ItoM((uptr)&mVU->regs->VI[REG_I].UL, curI); incPC(1); } }
#define blockCreate(addr) { if (!mVUblocks[addr]) mVUblocks[addr] = new microBlockManager(); }
//------------------------------------------------------------------
@ -76,6 +75,19 @@ microVUt(void) doSwapOp(mV) {
else { mVUopL(mVU, 1); incPC(1); doUpperOp(); }
}
microVUt(void) doIbit(mV) {
if (mVUup.iBit) {
incPC(-1);
if (CHECK_VU_OVERFLOW && ((curI & 0x7fffffff) >= 0x7f800000)) {
Console::Status("microVU%d: Clamping I Reg", params mVU->index);
int tempI = (0x80000000 & curI) | 0x7f7fffff; // Clamp I Reg
MOV32ItoM((uptr)&mVU->regs->VI[REG_I].UL, tempI);
}
else MOV32ItoM((uptr)&mVU->regs->VI[REG_I].UL, curI);
incPC(1);
}
}
// Used by mVUsetupRange
microVUt(void) mVUcheckIsSame(mV) {
@ -434,7 +446,7 @@ microVUr(void*) mVUcompile(microVU* mVU, u32 startPC, uptr pState) {
for (x = 0; x < endCount; x++) {
if (mVUinfo.isEOB) { x = 0xffff; }
if (mVUup.mBit) { OR32ItoM((uptr)&mVU->regs->flags, VUFLAG_MFLAGSET); }
if (mVUlow.isNOP) { incPC(1); doUpperOp(); doIbit(); }
if (mVUlow.isNOP) { incPC(1); doUpperOp(); doIbit(mVU); }
else if (!mVUinfo.swapOps) { incPC(1); doUpperOp(); doLowerOp(); }
else { doSwapOp(mVU); }
if (mVUinfo.doXGKICK) { mVU_XGKICK_DELAY(mVU, 1); }

1
pcsx2/x86/microVU_Misc.h
View File

@ -83,6 +83,7 @@ declareAllVariables
#define _X_Y_Z_W (((mVU->code >> 21 ) & 0xF))
#define _XYZW_SS (_X+_Y+_Z+_W==1)
#define _XYZW_SS2 (_XYZW_SS && (_X_Y_Z_W != 8))
#define _XYZW_PS (_X_Y_Z_W == 0xf)
#define _bc_ (mVU->code & 0x3)
#define _bc_x ((mVU->code & 0x3) == 0)

2
pcsx2/x86/microVU_Upper.inl
View File

@ -152,6 +152,8 @@ void mVU_FMACa(microVU* mVU, int recPass, int opCase, int opType, bool isACC, co
}
else { Fs = mVU->regAlloc->allocReg(_Fs_, _Fd_, _X_Y_Z_W); }
opCase1 { if((opType == 2) && _XYZW_PS) { mVUclamp1(Ft, -1, _X_Y_Z_W); } } // Clamp Needed for Ice Age 3 (VU0)
opCase1 { if((opType == 2) && _XYZW_PS) { mVUclamp1(Fs, -1, _X_Y_Z_W); } } // Clamp Needed for Ice Age 3 (VU0)
opCase2 { if (opType == 2) { mVUclamp1(Fs, -1, _X_Y_Z_W); } } // Clamp Needed for alot of games (TOTA, DoM, etc...)
if (_XYZW_SS) SSE_SS[opType](mVU, Fs, Ft, -1, -1);